816225425092 has 96 divisors (see below), whose sum is σ = 1785810668544. Its totient is φ = 317126275200.

The previous prime is 816225425069. The next prime is 816225425123. The reversal of 816225425092 is 290524522618.

816225425092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×816225425092² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287098623 + ... + 287101465.

It is an arithmetic number, because the mean of its divisors is an integer number (18602194464).

Almost surely, 2^816225425092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816225425092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892905334272).

816225425092 is an abundant number, since it is smaller than the sum of its proper divisors (969585243452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816225425092 is a wasteful number, since it uses less digits than its factorization.

816225425092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 816225425092 in words is "eight hundred sixteen billion, two hundred twenty-five million, four hundred twenty-five thousand, ninety-two".